linux-kernel - Re: [PATCH v3 10/13] mm/hugetlbfs: update hugetlbfs to use mmap

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Message-ID: <20250916173034.GR1086830@nvidia.com>
Date: Tue, 16 Sep 2025 14:30:34 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
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Subject: Re: [PATCH v3 10/13] mm/hugetlbfs: update hugetlbfs to use
 mmap_prepare

On Tue, Sep 16, 2025 at 03:11:56PM +0100, Lorenzo Stoakes wrote:
> Since we can now perform actions after the VMA is established via
> mmap_prepare, use desc->action_success_hook to set up the hugetlb lock
> once the VMA is setup.
> 
> We also make changes throughout hugetlbfs to make this possible.
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
> ---
>  fs/hugetlbfs/inode.c           | 36 ++++++++++------
>  include/linux/hugetlb.h        |  9 +++-
>  include/linux/hugetlb_inline.h | 15 ++++---
>  mm/hugetlb.c                   | 77 ++++++++++++++++++++--------------
>  4 files changed, 85 insertions(+), 52 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason